• Genealogy of William the Conqueror to Henry I in a genealogical chronicle of the kings of England, from Adam to Edward IV (the 'Considerans' chronicle)., Genealogical Chronicle of the Kings of England, from Adam to Edward IV (the 'Considerans' chronicle)

red lines connecting them. Diagrams. Genealogical Chronicle of the Kings of England, from Adam to Edward IV (the 'Considerans' chronicle) John Sprotte: inscription 'Liber symfom dono me Johannie Sprotte de Gryndon rectoris' (f. 2v).? Shelfmark 'LLg 148' (f. 1).William Petty

• Tinted drawing of king Henry VI on horseback., Coats of Arms in the time of Henry VI

include those of Wyfolde or Wywold, Gregory and Norman, Lord Mayors in 1450, 1451, and 1453; John Derby, sheriff of London in 1446; John Stockton and William Stoker, Lord Mayors in 1470 and 1483 and the arms of the Tallow

• Decorated line and initial 'E'., Speeches, including 'Olynthiaca' 1-3 (ff. 1-15) and 'Philippica' 1, 2, 3-4 (ff. 15v-23, 27v-32v, 48v-70)

in light brown. Speeches, including 'Olynthiaca' 1-3 (ff. 1-15) and 'Philippica' 1, 2, 3-4 (ff. 15v-23, 27v-32v, 48v-70) Written by John Rhosos of Crete (d. 1498; ff. 1-73v, 75) ) and Michael Lygizos (ff. 75-184, 185-304v, marginal notes on ff.

• Detail of a white vine initial 'N'(icolaus)., Historiae

of men in profile (including Pope Nicholas V who commissioned this translation, and a copy of Pisanello's medallion of Emperor John VIII Palaeologus), mythological all'antica scenes, and an unidentified coat of arms (f. 2). 2 large panel initials in gold

• Detail of unidentified arms in the lower margin of the folio., Historiae

of men in profile (including Pope Nicholas V who commissioned this translation, and a copy of Pisanello's medallion of Emperor John VIII Palaeologus), mythological all'antica scenes, and an unidentified coat of arms (f. 2). 2 large panel initials in gold

• Text page., Leaf from Bracciolini's 'De infelicitate principum', cropped

of a collection of fragments from manuscripts and printed books, including maps and drawings, assembled by the bookseller and antiquary John Bagford (b. 1650/51, d. 1716) for historical purposes. Drawings and printed book fragments from the volume were transferred to

• Coloured initial 'C'., Leaf from a Commentary on Psalm 70

of a collection of fragments from manuscripts and printed books, including maps and drawings, assembled by the bookseller and antiquary John Bagford (b. 1650/51, d. 1716) for historical purposes. Drawings and printed book fragments from the volume were transferred to

• Coloured initial with penwork decoration., Leaf from Hrabanus's 'De Universo', Book XIII, chapters 6-10

of a collection of fragments from manuscripts and printed books, including maps and drawings, assembled by the bookseller and antiquary John Bagford (b. 1650/51, d. 1716) for historical purposes. Drawings and printed book fragments from the volume were transferred to

• Coloured initials with pen-flourished decoration., Leaf from a Lectionary

of a collection of fragments from manuscripts and printed books, including maps and drawings, assembled by the bookseller and antiquary John Bagford (b. 1650/51, d. 1716) for historical purposes. Drawings and printed book fragments from the volume were transferred to

• A volvelle, a device with a moveable disc rotating with a fixed matrix, the pointing moveable index of which could be set at the sign and degree of the zodiac for a particular day in order to predict the best time to provide medical treatment: the moving central part of the volvelle, with the pointer, is inscribed in red with numbers from 1-30; in the concentric circles around this are drawings of the signs of the zodiac, their names, and the names of the months and emblems for the occupations of the months, surrounded by figures of John the Baptist with Agnus Dei, top left, John the Evangelist with cup and dragon, top right, Cosmas with urine file, lower left, and Damian spooning medicine from box, lower right, all in ink, with scrolls bearing captions., Calendar, diagrams; medical texts

names of the months and emblems for the occupations of the months, surrounded by figures of John the Baptist with Agnus Dei, top left, John the Evangelist with cup and dragon, top right, Cosmas with urine file, lower left, and

• Miniature of John the Evangelist and decorated initial 'O' with foliate borders including a bird., Prayer book

of John the Evangelist and decorated initial 'O' with foliate borders including a bird. Fragment of a 14th-century text leaf of a Bible, Apc. 5., used as a flyleaf. 2 large full-page miniatures, followed by large or small decorated initials

• Detail of panel initial 'S'(i ab) at the beginning of the text., Historiae

of men in profile (including Pope Nicholas V who commissioned this translation, and a copy of Pisanello's medallion of Emperor John VIII Palaeologus), mythological all'antica scenes, and an unidentified coat of arms (f. 2). 2 large panel initials in gold

• Detail of illuminated initial 'H'(abunde) with knotwork at the beginning of book 4., Historiae

of men in profile (including Pope Nicholas V who commissioned this translation, and a copy of Pisanello's medallion of Emperor John VIII Palaeologus), mythological all'antica scenes, and an unidentified coat of arms (f. 2). 2 large panel initials in gold

• Detail of white vine initial 'A'(nnus) at the beginning of book 5., Historiae

of men in profile (including Pope Nicholas V who commissioned this translation, and a copy of Pisanello's medallion of Emperor John VIII Palaeologus), mythological all'antica scenes, and an unidentified coat of arms (f. 2). 2 large panel initials in gold

• Headpiece and decorated initial 'B' at the beginning of Matthew., Four Gospels with canon tables and Eusebius of Caesarea's letter to Carpianus, imperfect

Prayers added by the presbyter George, 13th century (ff. 91v, 148v, 241v). Daniel, bishop of Proconnesus: presented by him to John Covel on 11 August 1674 (f. 6).John Covel (b. 1638, d. 1722), chaplain of the Levant Company at Constantinople

• Drawing and diagram in ink., 'Pneumatica' (index Pnematics) (ff. 3-50) and 'De automatis' (index Automata) (ff. 50v-69)

the margin. Decorated initials in brown. 'Pneumatica' (index Pnematics) (ff. 3-50) and 'De automatis' (index Automata) (ff. 50v-69) Written by John Mauromates (index Ioannes Mauromates) (fl. 1541-1565; see Gamillscheg and Harlfinger 1981).Nicolas Joseph Foucault (b. 1643, d. 1721), marquis de

• Two decorated initials 'I'(nter) at the beginning of Isidore of Seville's 'De differentiis'., Homilies; De differentiis; De natura rerum; De liber arbitrio

of Parliament that also established the British Museum; the Harley manuscripts form one of the foundation collections of the British Library. Decorated initials John Chrysostom (index Johannes Chrysostomus); Isidore of Seville; Bede the Venerable; Anselm of Canterbury England or France

• Pen-flourished initial 'P'(ater)., Sermons on Matthew, imperfect at the beginning and at the end (index Opus imperfectum in Matthaeum)

been erased; only the decorated initials and partial border remain.The text was once attributed to John Chrysostom by Pope Nicholas I in the ninth century, but its authorship is now assigned to an Arian Christian influenced by the concepts of

• Initial with added penwork decoration., Medical Compendium, imperfect

(b. 1647, d. 1708), clergyman and antiquary: bought with other manuscripts from his collection by Edward Harley from Batteley's nephew John on 5 Nov. 1723 (Wright and Wright 1966, Wright 1972). The Harley Collection, formed by Robert Harley (b. 1661,

• 'Champ' initials with foliate spray decoration extending into the margin., Fragment from a Lectionary (?)

of fragments from manuscripts and printed books, including maps and drawings, assembled for historical purposes by the bookseller and antiquary John Bagford (b. 1650/51, d. 1716). A number of drawings and printed book fragments were transferred from the volume to